AERCO RECON 1000 - Manual (Page 56)

RECON Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 4 – INITIAL START-UP
Page 56 of 178 AERCO International, Inc.  100 Oritani Dr.  Blauvelt, NY 10913 OMM-0103_0A
PRI: 10/28/2014 Phone: 800-526-0288 GF-147
4.2.1 Required Tools & Instrumentation
The following tools and instrumentation are necessary to perform combustion calibration of the
unit:
 Digital Combustion Analyzer: Oxygen accuracy to ± 0.4%; Carbon Monoxide (CO) and
Nitrogen Oxide (NOx) resolution to 1PPM.
 16 inch W.C. manometer or equivalent gauge and plastic tubing.
 Multimeter (Capable of measuring 0 – 10 µA)
 1/8 inch NPT-to-barbed fittings for use with gas supply manometer or gauge.
 Small and large flat blade screwdrivers.
 Tube of silicone adhesive
4.2.2 Installing the Gas Supply Manometer
The gas supply manometer is installed in the gas train as follows:
Installing the Gas Supply Manometer
NOTE
The only difference between the RECON 500 and RECON 1000
gas trains is the diameter of the gas piping. All other components
and functions are identical.
1. Close the main manual gas supply shut-off valve upstream of the unit.
2. Remove the top panel of the front enclosure and then the front enclosure panel to access the
gas train components.
3. Remove the 1/4 inch NPT pipe plug from the leak detection ball valve on the downstream side
of the Safety Shut Off Valve (SSOV) as shown in Figure 4-1.
4. Install a NPT-to-barbed fitting into the tapped plug port.
5. Attach one end of the plastic tubing to the barbed fitting and the other end to the 16 inch W.C.
manometer.